Iridian Tiger is one of the three skins released in one part of the Rainbow Smashfest offer. It could be purchased on an individual basis with game coins in late March 2021.
Iridian Tiger could be purchased in the Skins Shop under the 'Rainbow Smashfest' tab for 2390 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.
Note: The first part of the Rainbow Smashfest offer was released again for a limited time in August 2023. The price for Iridian Tiger remained at 2390 coins.